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Article #21681

88 khz 16 bit word storage to pc/at disk

#21681
From: A J Annala
Date: Thu, 08 Jun 1989 05:33
27 lines
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I have an 8 channel sony pcm based digital "audio" to vhs vcr based
tape recording system in my laboratory.  It has a 16 bit wide ttl
level parallel output interface on the back of the recorder cabinet.
Could someone provide a circuit diagram and hints about how to set
up a pc program to do continuous dma transfers into pc memory and
out to pc hard disk at 88 Khz x 16 bits wide data path?  The pinout
on the back of the recorder includes:

      o  bit 0      o bit 4      o bit 8       o bit 12
      o  bit 1      o bit 5      o bit 9       o bit 13
      o  bit 2      o bit 6      o bit 10      o bit 14
      o  bit 3      o bit 7      o bit 11      o bit 15

      o  data strobe (goes high when valid data latched on data lines)

I am a psychobiologist with extensive general programming experience and
some limited digital hardware experience.  Any assistance you might be
able to provide in the way of a sketch of a possible design would be very
appreciated.

Thanks, AJ Annala

USC Psych Dept.
SGM-501
Los Angeles, CA 90089-1061

(213)743-3278
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From: annala@neuro.usc.edu (A J Annala)
Newsgroups: sci.electronics
Subject: 88 khz 16 bit word storage to pc/at disk
Message-ID: <17696@usc.edu>
Date: 8 Jun 89 05:33:18 GMT
Sender: news@usc.edu
Reply-To: annala@neuro.usc.edu (A J Annala)
Organization: University of Southern California, Los Angeles, CA
Lines: 27